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@langcost/core

npm Repository Homepage
7
Versions
—
License
No
Install Scripts
Missing
Provenance

Supply chain provenance

Status for the latest visible version.

No SLSA provenance npm registry signatures No source commit

Without SLSA provenance there is no cryptographic link between this tarball and the public source — the axios compromise (March 2026) relied on exactly this gap.

Maintainers

vjvkrm

Accepted risks

Findings the reviewer chose to accept rather than block on.

SourceRuleReasonAccepted byWhen
license copyleft-license:AGPL-3.0 AI (license): AGPL-3.0 is the declared license for this package; not a security concern. ai
typosquat typosquat.levenshtein:cors AI (typosquat): Scoped @langcost/core is an LLM cost-tracking library, not a typosquat of cors; the name similarity is coincidental. ai

Versions (showing 7 of 7)

Version Deps Published
0.16.0 0 / 0
0.1.5 0 / 0
0.1.4 0 / 0
0.1.3 0 / 0
0.1.2 0 / 0
0.1.1 0 / 0
0.1.0 0 / 0

v0.16.0

2 findings
HIGH Missing gitHead — previous versions had it provenance

This version has no gitHead field linking it to a source commit, but previous versions did. This suggests the publish environment changed. Published by: vjvkrm.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.1.5

2 findings
HIGH Missing gitHead — previous versions had it provenance

This version has no gitHead field linking it to a source commit, but previous versions did. This suggests the publish environment changed. Published by: vjvkrm.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Consider requesting the maintainer enable provenance via CI/CD.

v0.1.4

2 findings
HIGH typosquat.levenshtein: Possible typosquat of 'cors' typosquat

Package name '@langcost/core' is 1 edit(s) away from popular package 'cors'.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.1.3

2 findings
HIGH typosquat.levenshtein: Possible typosquat of 'cors' typosquat

Package name '@langcost/core' is 1 edit(s) away from popular package 'cors'.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.1.2

2 findings
HIGH typosquat.levenshtein: Possible typosquat of 'cors' typosquat

Package name '@langcost/core' is 1 edit(s) away from popular package 'cors'.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.1.1

2 findings
HIGH typosquat.levenshtein: Possible typosquat of 'cors' typosquat

Package name '@langcost/core' is 1 edit(s) away from popular package 'cors'.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.

v0.1.0

2 findings
HIGH typosquat.levenshtein: Possible typosquat of 'cors' typosquat

Package name '@langcost/core' is 1 edit(s) away from popular package 'cors'.

LOW No provenance attestation provenance

Package was published without Sigstore provenance. Only ~12% of npm packages have provenance, so this is common but not ideal.